everybody enjoys fresh cut flowers around his house.few people know how to keep them for as long as possible.
#79959
A
Because
B
Since
C
While
D
If
推荐题目
It took several hundred years ______ paper-making spread to western countries.
#33423
A
when
B
before
C
after
D
since
Our English teacher spoke very clearly ________we could hear every word. ( )
#30728
A
so that
B
now that
C
as soon as
D
in case
It has been proved______eating vegetables in childhood helps to protect you against serious illnesses in later life.
#79818
A
if
B
because
C
when
D
that
